list items

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>HTML Lists</title>
</head>
<body>
<ol type="I">
    <li>
        <span>List Item 1</span>
        <ol type="a">
            <li>Nested item 1.1</li>
            <li>Nested item 1.2</li>
        </ol>
    </li>
    <li>
        <span>List item 2</span>
        <ol type="1">
            <li>Nested item 2.1</li>
            <li>Nested item 2.2</li>
            <ul type="circle">
                <li>Nested item 2.2.1</li>
                <li>Nested item 2.2.2</li>
                <li>Nested item 2.2.3</li>
            </ul>
            <li>Nested item 2.3</li>
        </ol>
    </li>
    <li>
        <span>List item 3</span>
        <ul type="disc">
            <li>Nested Item 3.1</li>
            <li>Nested Item 3.2</li>
            <li>Nested Item 3.3</li>


        </ul>
    </li>


</ol>
</body>
</html>